Postcodes in Cardiff page 154 Unitary Authority

This page provides postcode data for the Cardiff UK Unitary Authority.

In 2021, Cardiff contained approximately 147,300 households with a population of about 362,400

In 2011, Cardiff contained approximately 142,598 households with a population of about 346,191

Wards in this Unitary Authority

Adamsdown , Butetown , Caerau , Canton , Cathays , Cyncoed , Ely , Fairwater , Gabalfa , Grangetown , Heath , Lisvane and Thornhill , Llandaff , Llandaff North , Llanishen , Llanrumney , Pentwyn , Pentyrch and St Fagans , Penylan , Plasnewydd , Pontprennau and Old St Mellons , Radyr , Rhiwbina , Riverside , Rumney , Splott , Trowbridge , Whitchurch and Tongwynlais

Parishes in this Unitary Authority

Adamsdown , Butetown , Caerau , Canton , Castle , Cathays , Cyncoed , Ely , Fairwater , Gabalfa , Grangetown , Heath , Lisvane , Llandaff , Llandaff North , Llanedeyrn , Llanishen , Llanrumney , Old St. Mellons , Pentwyn , Pentyrch , Penylan , Pontcanna , Pontprennau , Radyr and Morganstown , Rhiwbina , Riverside , Roath , Rumney , Splott , St. Fagans , Thornhill , Tongwynlais , Tremorfa , Trowbridge , Whitchurch

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Postcode	Ward	Latitude	Longitude	Easting	Northing	Grid ref
CF4 5QD	Llanishen	51.523726	-3.184781	317899	181200	ST178812
CF4 5QE	Llanishen	51.522827	-3.184757	317899	181100	ST178811
CF4 5QF	Llanishen	51.521928	-3.184734	317899	181000	ST178810
CF4 5QG	Llanishen	51.522841	-3.183316	317999	181100	ST179811
CF4 5QH	Heath	51.517433	-3.184617	317899	180500	ST178805
CF4 5QJ	Heath	51.518332	-3.18464	317899	180600	ST178806
CF4 5QL	Heath	51.519216	-3.186105	317799	180700	ST177807
CF4 5QN	Llanishen	51.521029	-3.184711	317899	180900	ST178809
CF4 5QP	Llanishen	51.521029	-3.184711	317899	180900	ST178809
CF4 5QS	Llanishen	51.521029	-3.184711	317899	180900	ST178809
CF4 5QT	Llanishen	51.521029	-3.184711	317899	180900	ST178809
CF4 5QZ	Llanishen	51.521029	-3.184711	317899	180900	ST178809
CF4 5RA	Llanishen	51.53186	-3.180667	318199	182100	ST181821
CF4 5RB	Llanishen	51.530961	-3.180644	318199	182000	ST181820
CF4 5RD	Llanishen	51.530961	-3.180644	318199	182000	ST181820
CF4 5RE	Llanishen	51.530961	-3.180644	318199	182000	ST181820
CF4 5RF	Llanishen	51.529149	-3.182039	318099	181800	ST180818
CF4 5RG	Llanishen	51.530091	-3.177738	318399	181900	ST183819
CF4 5RH	Llanishen	51.528264	-3.180574	318199	181700	ST181817
CF4 5RJ	Llanishen	51.530077	-3.179179	318299	181900	ST182819
CF4 5RL	Llanishen	51.530961	-3.180644	318199	182000	ST181820
CF4 5RN	Llanishen	51.531889	-3.177785	318399	182100	ST183821
CF4 5RP	Lisvane and Thornhill	51.548256	-3.159459	319699	183900	ST196839
CF4 5RQ	Lisvane and Thornhill	51.538268	-3.169298	318999	182800	ST189828
CF4 5RR	Lisvane and Thornhill	51.542633	-3.182389	318099	183300	ST180833
CF4 5RS	Lisvane and Thornhill	51.54082	-3.183784	317999	183100	ST179831
CF4 5RT	Lisvane and Thornhill	51.542633	-3.182389	318099	183300	ST180833
CF4 5RU	Lisvane and Thornhill	51.541748	-3.180924	318199	183200	ST181832
CF4 5RW	Lisvane and Thornhill	51.541748	-3.180924	318199	183200	ST181832
CF4 5RX	Lisvane and Thornhill	51.540864	-3.179459	318299	183100	ST182831
CF4 5RY	Llanishen	51.533687	-3.177831	318399	182300	ST183823
CF4 5RZ	Llanishen	51.532788	-3.177808	318399	182200	ST183822
CF4 5SA	Llanishen	51.532744	-3.182132	318099	182200	ST180822
CF4 5SB	Llanishen	51.53186	-3.180667	318199	182100	ST181821
CF4 5SD	Llanishen	51.532773	-3.179249	318299	182200	ST182822
CF4 5SE	Llanishen	51.532773	-3.179249	318299	182200	ST182822
CF4 5SF	Lisvane and Thornhill	51.535514	-3.174995	318599	182500	ST185825
CF4 5SG	Lisvane and Thornhill	51.538268	-3.169298	318999	182800	ST189828
CF4 5SH	Lisvane and Thornhill	51.54008	-3.167903	319099	183000	ST190830
CF4 5SJ	Lisvane and Thornhill	51.54008	-3.167903	319099	183000	ST190830
CF4 5SL	Lisvane and Thornhill	51.539181	-3.16788	319099	182900	ST190829
CF4 5SN	Lisvane and Thornhill	51.549084	-3.166691	319199	184000	ST191840
CF4 5SP	Lisvane and Thornhill	51.540979	-3.167926	319099	183100	ST190831
CF4 5SQ	Lisvane and Thornhill	51.540965	-3.169368	318999	183100	ST189831
CF4 5SR	Lisvane and Thornhill	51.539109	-3.175088	318599	182900	ST185829
CF4 5SS	Lisvane and Thornhill	51.540965	-3.169368	318999	183100	ST189831
CF4 5ST	Lisvane and Thornhill	51.540051	-3.170786	318899	183000	ST188830
CF4 5SU	Lisvane and Thornhill	51.539109	-3.175088	318599	182900	ST185829
CF4 5SW	Lisvane and Thornhill	51.538196	-3.176506	318499	182800	ST184828
CF4 5SX	Lisvane and Thornhill	51.54095	-3.170809	318899	183100	ST188831
CF4 5SY	Lisvane and Thornhill	51.541835	-3.172274	318799	183200	ST187832
CF4 5SZ	Lisvane and Thornhill	51.542705	-3.17518	318599	183300	ST185833
CF4 5TA	Lisvane and Thornhill	51.54095	-3.170809	318899	183100	ST188831
CF4 5TB	Lisvane and Thornhill	51.541806	-3.175157	318599	183200	ST185832
CF4 5TD	Lisvane and Thornhill	51.540907	-3.175134	318599	183100	ST185831
CF4 5TE	Lisvane and Thornhill	51.542691	-3.176622	318499	183300	ST184833
CF4 5TF	Lisvane and Thornhill	51.541777	-3.17804	318399	183200	ST183832
CF4 5TG	Lisvane and Thornhill	51.541792	-3.176599	318499	183200	ST184832
CF4 5TH	Lisvane and Thornhill	51.540893	-3.176576	318499	183100	ST184831
CF4 5TJ	Lisvane and Thornhill	51.539994	-3.176552	318499	183000	ST184830
CF4 5TL	Lisvane and Thornhill	51.538167	-3.179389	318299	182800	ST182828
CF4 5TN	Lisvane and Thornhill	51.538182	-3.177948	318399	182800	ST183828
CF4 5TP	Lisvane and Thornhill	51.544255	-3.181998	318129	183480	ST181834
CF4 5TQ	Lisvane and Thornhill	51.541748	-3.180924	318199	183200	ST181832
CF4 5TR	Llanishen	51.526825	-3.198412	316959	181560	ST169815
CF4 5TS	Llanishen	51.530903	-3.186409	317799	182000	ST177820
CF4 5TT	Lisvane and Thornhill	51.534615	-3.174972	318599	182400	ST185824
CF4 5TU	Llanishen	51.532404	-3.187385	317734	182168	ST177821
CF4 5TW	Llanishen	51.532404	-3.187385	317734	182168	ST177821
CF4 5TX	Llanishen	51.527175	-3.199286	316899	181600	ST168816
CF4 5TY	Llanishen	51.533672	-3.179273	318299	182300	ST182823
CF4 5TZ	Llanishen	51.527175	-3.199286	316899	181600	ST168816
CF4 5UA	Rhiwbina	51.53696	-3.209637	316199	182700	ST161827
CF4 5UB	Lisvane and Thornhill	51.550518	-3.202785	316699	184200	ST166842
CF4 5UD	Lisvane and Thornhill	51.551535	-3.191273	317499	184300	ST174843
CF4 5UE	Lisvane and Thornhill	51.54446	-3.179552	318299	183500	ST182835
CF4 5UF	Lisvane and Thornhill	51.550752	-3.179715	318299	184200	ST182842
CF4 5UG	Lisvane and Thornhill	51.542676	-3.178064	318399	183300	ST183833
CF4 5UH	Lisvane and Thornhill	51.542676	-3.178064	318399	183300	ST183833
CF4 5UJ	Lisvane and Thornhill	51.54446	-3.179552	318299	183500	ST182835
CF4 5UL	Lisvane and Thornhill	51.545359	-3.179575	318299	183600	ST182836
CF4 5UN	Llanishen	51.527184	-3.198421	316959	181600	ST169816
CF4 5UP	Llanishen	51.534528	-3.18362	317999	182400	ST179824
CF4 5UQ	Lisvane and Thornhill	51.536326	-3.183667	317999	182600	ST179826
CF4 5UR	Lisvane and Thornhill	51.536326	-3.183667	317999	182600	ST179826
CF4 5US	Lisvane and Thornhill	51.536398	-3.17646	318499	182600	ST184826
CF4 5UT	Llanishen	51.529091	-3.187804	317699	181800	ST176818
CF4 5UU	Llanishen	51.530903	-3.186409	317799	182000	ST177820
CF4 5UW	Llanishen	51.531831	-3.18355	317999	182100	ST179821
CF4 5UX	Llanishen	51.530932	-3.183527	317999	182000	ST179820
CF4 5UY	Llanishen	51.530004	-3.186386	317799	181900	ST177819
CF4 5UZ	Llanishen	51.530019	-3.184944	317899	181900	ST178819
CF4 5WA	Llanishen	51.52719	-3.197845	316999	181600	ST169816
CF4 5WB	Llanishen	51.52756	-3.196846	317069	181640	ST170816
CF4 5WD	Llanishen	51.52719	-3.197845	316999	181600	ST169816
CF4 5WE	Llanishen	51.527016	-3.197264	317039	181580	ST170815
CF4 5WF	Llanishen	51.523225	-3.189813	317549	181150	ST175811
CF4 5WG	Llanishen	51.527016	-3.197264	317039	181580	ST170815
CF4 5WH	Llanishen	51.52719	-3.197845	316999	181600	ST169816
CF4 5WJ	Llanishen	51.522574	-3.191958	317399	181080	ST173810

Contains OS data © Crown copyright and database right 2025
Contains Royal Mail data © Royal Mail copyright and database right 2025
Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license